/// <summary>
/// Finds the matching nodes of a <see cref="IResultOfExpression"/>.
/// </summary>
/// <param name="node">The agent expression to check.</param>
/// <param name="errorList">The list of errors found.</param>
/// <param name="resolvedResult">The expression result types upon return.</param>
/// <param name="resolvedException">Exceptions the expression can throw upon return.</param>
/// <param name="constantSourceList">Sources of the constant expression upon return, if any.</param>
/// <param name="expressionConstant">The expression constant upon return.</param>
public static bool ResolveCompilerReferences(IResultOfExpression node, IErrorList errorList, out IResultType resolvedResult, out IResultException resolvedException, out ISealableList <IExpression> constantSourceList, out ILanguageConstant expressionConstant)
{
resolvedResult = null;
resolvedException = null;
constantSourceList = new SealableList <IExpression>();
expressionConstant = NeutralLanguageConstant.NotConstant;
IExpression Source = (IExpression)node.Source;
IResultType ResolvedSourceResult = Source.ResolvedResult.Item;
int ResultNameIndex = ResolvedSourceResult.ResultNameIndex;
if (ResultNameIndex < 0)
{
errorList.AddError(new ErrorInvalidExpression(node));
return(false);
}
Debug.Assert(ResolvedSourceResult.Preferred != null);
resolvedResult = new ResultType(ResolvedSourceResult.Preferred);
constantSourceList.Add(Source);
ResultException.Propagate(Source.ResolvedException, out resolvedException);
#if COVERAGE
Debug.Assert(node.IsComplex);
#endif
return(true);
}
/// <summary>
/// Compares two expressions.
/// </summary>
/// <param name="other">The other expression.</param>
protected bool IsExpressionEqual(IResultOfExpression other)
{
Debug.Assert(other != null);
bool Result = true;
Result &= Expression.IsExpressionEqual((IExpression)Source, (IExpression)other.Source);
return(Result);
}
/// <summary>
/// Initializes a new instance of the <see cref="CSharpResultOfExpression"/> class.
/// </summary>
/// <param name="context">The creation context.</param>
/// <param name="source">The Easly expression from which the C# expression is created.</param>
protected CSharpResultOfExpression(ICSharpContext context, IResultOfExpression source)
: base(context, source)
{
SourceExpression = Create(context, (IExpression)source.Source);
}
/// <summary>
/// Creates a new C# expression.
/// </summary>
/// <param name="context">The creation context.</param>
/// <param name="source">The Easly expression from which the C# expression is created.</param>
public static ICSharpResultOfExpression Create(ICSharpContext context, IResultOfExpression source)
{
return(new CSharpResultOfExpression(context, source));
}
